Then there’s the size of the bulb, with the most common ranging from the typical strand of mini bulbs, followed by C7 and the larger C9 (roughly 2.25″). First, the math. Electricity usage is ...

Miniature, small and directional: Think classic holiday lights with brilliant illumination and direct lighting. C5, C7, C8 and C9: Who could forget these classic “strawberry” holiday lights?